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BackFeatures: If we expect or plan on developing modules which use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug.
- 8.660254e-001 0.000000e+000 vertex -4.091196e+000 3.859275e+000 9.983999e+000 vertex.
- Horizontal (Right Angle) (source.